/* ================================
   CSS Variables & Reset
================================ */
:root {
    --primary-color: #00ff41;
    --primary-dark: #00cc33;
    --primary-rgb: 0, 255, 65;
    --secondary-color: #0affed;
    --secondary-rgb: 10, 255, 237;
    --accent-color: #ff00ff;
    --accent-rgb: 255, 0, 255;
    --warning-color: #ffaa00;
    --bg-dark: #0a0a0a;
    --bg-darker: #030303;
    --bg-card: rgba(17, 17, 17, 0.8);
    --bg-glass: rgba(10, 10, 10, 0.7);
    --text-primary: #00ff41;
    --text-secondary: #0affed;
    --text-muted: #555555;
    --text-light: #cccccc;
    --border-color: rgba(0, 255, 65, 0.2);
    --glow-green: 0 0 20px rgba(0, 255, 65, 0.5), 0 0 40px rgba(0, 255, 65, 0.3), 0 0 60px rgba(0, 255, 65, 0.1);
    --glow-cyan: 0 0 20px rgba(10, 255, 237, 0.5), 0 0 40px rgba(10, 255, 237, 0.3);
    --glow-magenta: 0 0 20px rgba(255, 0, 255, 0.5), 0 0 40px rgba(255, 0, 255, 0.3);
    --font-mono: 'Share Tech Mono', 'Fira Code', monospace;
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-darker);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
    position: relative;
}

::selection {
    background-color: var(--primary-color);
    color: var(--bg-dark);
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* ================================
   Matrix Rain Canvas
================================ */
#matrixCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.15;
    pointer-events: none;
}

/* ================================
   Noise & Scanline Overlay
================================ */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9997;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9996;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.1) 2px,
        rgba(0, 0, 0, 0.1) 4px
    );
    /* Removed expensive animation - static scanlines look fine */
}

/* ================================
   Custom Cursor - Cyberpunk Crosshair
================================ */
.cursor {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 10001;
    width: 24px;
    height: 24px;
    /* Use transform for GPU acceleration */
    will-change: transform;
    transition: opacity 0.15s;
}

/* Crosshair made with pseudo-elements */
.cursor::before,
.cursor::after {
    content: '';
    position: absolute;
    background: var(--primary-color);
    box-shadow: 0 0 8px var(--primary-color), 0 0 16px rgba(0, 255, 65, 0.5);
}

/* Horizontal line */
.cursor::before {
    width: 24px;
    height: 2px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

/* Vertical line */
.cursor::after {
    width: 2px;
    height: 24px;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
}

/* Center dot */
.cursor-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color);
}

/* Hover state - expand and change color */
.cursor.hover {
    transform: scale(1.3);
}

.cursor.hover::before,
.cursor.hover::after {
    background: var(--secondary-color);
    box-shadow: 0 0 8px var(--secondary-color), 0 0 16px rgba(10, 255, 237, 0.5);
}

.cursor.hover .cursor-dot {
    background: var(--secondary-color);
    box-shadow: 0 0 10px var(--secondary-color), 0 0 20px var(--secondary-color);
}

/* Hide follower - not needed */
.cursor-follower {
    display: none;
}

@media (max-width: 768px) {
    .cursor, .cursor-follower, .cursor-trail {
        display: none !important;
    }
    body {
        cursor: auto;
    }
}

/* ================================
   Preloader / Boot Screen
================================ */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    background-color: var(--bg-darker);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.preloader::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200vmax;
    height: 200vmax;
    background: radial-gradient(circle, rgba(0, 255, 65, 0.03) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: scale(1.1);
}

/* Terminal Window Chrome */
.terminal-window {
    background: rgba(10, 10, 10, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    /* Removed backdrop-filter for performance */
    position: relative;
    max-width: 600px;
    width: 90%;
}

.terminal-header {
    display: flex;
    gap: 8px;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-muted);
}

.terminal-btn.red { background: #ff5f56; }
.terminal-btn.yellow { background: #ffbd2e; }
.terminal-btn.green { background: #27ca40; }

.boot-sequence {
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-size: clamp(0.75rem, 2vw, 0.95rem);
    text-align: left;
    margin-bottom: 2rem;
}

.boot-line {
    opacity: 0;
    transform: translateX(-20px);
    margin-bottom: 0.6rem;
    text-shadow: var(--glow-green);
    position: relative;
    padding-left: 0;
}

.boot-line.visible {
    animation: bootLineIn 0.4s ease forwards;
}

@keyframes bootLineIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.status-active {
    color: var(--secondary-color);
    text-shadow: var(--glow-cyan);
    animation: statusPulse 1.5s ease-in-out infinite;
    font-weight: bold;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; text-shadow: var(--glow-cyan); }
    50% { opacity: 0.6; text-shadow: none; }
}

/* Loading Bar */
.loading-bar-container {
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 2rem;
}

.loading-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    background-size: 200% 100%;
    border-radius: 2px;
    /* Faster animation to match boot sequence LCP optimization */
    animation: loadingProgress 1s ease forwards, shimmer 1s linear infinite;
}

@keyframes loadingProgress {
    to { width: 100%; }
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.launch-btn {
    font-family: var(--font-mono);
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 1rem 3rem;
    font-size: 1rem;
    cursor: none;
    text-transform: uppercase;
    letter-spacing: 4px;
    /* Optimize transitions - only animate specific properties */
    transition: color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
    /* Containment for layout isolation */
    contain: layout style;
}

.launch-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.4), transparent);
    transition: left 0.5s ease;
}

.launch-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-color);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: -1;
}

.launch-btn:hover {
    color: var(--bg-dark);
    text-shadow: none;
    box-shadow: var(--glow-green), inset 0 0 20px rgba(0, 255, 65, 0.2);
    transform: scale(1.05);
}

.launch-btn:hover::after {
    opacity: 1;
}

.launch-btn:hover::before {
    left: 100%;
}

.launch-btn.visible {
    animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-hint {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: 2rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
}

.scroll-hint.visible {
    animation: fadeIn 0.5s ease forwards;
}

.scroll-hint::after {
    content: '↓';
    font-size: 1.2rem;
    color: var(--primary-color);
    animation: arrowBounce 1.5s ease infinite;
}

@keyframes arrowBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* ================================
   Main Content
================================ */
.main-content {
    opacity: 1;
    transition: opacity 0.8s ease;
}

.main-content.hidden {
    opacity: 0;
    pointer-events: none;
}

/* ================================
   Top Navigation Bar
================================ */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    background: rgba(3, 3, 3, 0.95);
    /* Removed backdrop-filter for performance */
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    opacity: 0;
    transform: translateY(-100%);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, opacity;
}

.top-nav.visible {
    opacity: 1;
    transform: translateY(0);
}

.top-nav.scrolled {
    background: rgba(3, 3, 3, 0.95);
    box-shadow: 0 2px 20px rgba(0, 255, 65, 0.1);
    border-bottom-color: var(--primary-color);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
}

.logo-bracket {
    color: var(--primary-color);
    text-shadow: var(--glow-green);
}

.logo-text {
    color: var(--text-light);
    margin: 0 2px;
    letter-spacing: 2px;
}

.nav-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.status-label {
    opacity: 0.6;
}

.status-value {
    color: var(--text-primary);
}

.status-value.online {
    color: var(--primary-color);
    text-shadow: var(--glow-green);
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.nav-divider {
    color: var(--border-color);
    margin: 0 0.25rem;
}

.nav-center {
    flex: 1;
    display: flex;
    justify-content: center;
    overflow: hidden;
    max-width: 400px;
    margin: 0 2rem;
}

.nav-ticker {
    white-space: nowrap;
    overflow: hidden;
    position: relative;
}

.ticker-text {
    display: inline-block;
    color: var(--text-secondary);
    font-size: 0.65rem;
    letter-spacing: 1px;
    animation: tickerScroll 20s linear infinite;
}

@keyframes tickerScroll {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    /* Optimize: only transition specific properties */
    transition: color 0.15s ease;
    position: relative;
    padding: 0.3rem 0;
    /* Containment for layout isolation */
    contain: layout style;
}

.nav-link::before {
    content: '>';
    position: absolute;
    left: -12px;
    opacity: 0;
    color: var(--primary-color);
    transition: all var(--transition-fast);
    transform: translateX(-5px);
}

.nav-link:hover {
    color: var(--primary-color);
    text-shadow: var(--glow-green);
}

.nav-link:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* Hamburger Menu */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    z-index: 1001;
    transition: all var(--transition-fast);
}

.nav-hamburger:hover {
    border-color: var(--primary-color);
    box-shadow: var(--glow-green);
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

.nav-hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.nav-hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.nav-mobile-menu {
    display: none;
    position: fixed;
    top: 50px;
    right: 0;
    width: 200px;
    background: rgba(3, 3, 3, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 0 8px;
    padding: 1rem;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 999;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.nav-mobile-menu.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.nav-mobile-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.75rem 1rem;
    border: 1px solid transparent;
    border-radius: 4px;
    /* Optimize: specific transitions for better INP */
    transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
    contain: layout style;
}

.nav-mobile-link:hover {
    color: var(--primary-color);
    background: rgba(0, 255, 65, 0.1);
    border-color: var(--primary-color);
    /* Removed text-shadow for better performance */
}

/* ================================
   Hero Section
================================ */
.hero {
    min-height: 100vh;
    min-height: calc(var(--vh, 1vh) * 100);
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 4rem;
    padding-top: 5rem; /* Account for fixed nav */
    position: relative;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 65, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 65, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 30s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

/* Geometric Decorations */
.hero::before {
    content: '';
    position: absolute;
    top: 10%;
    right: 5%;
    width: 300px;
    height: 300px;
    border: 1px solid rgba(0, 255, 65, 0.1);
    transform: rotate(45deg);
    animation: rotateShape 20s linear infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 15%;
    left: 10%;
    width: 150px;
    height: 150px;
    border: 1px solid rgba(10, 255, 237, 0.1);
    border-radius: 50%;
    animation: pulseShape 4s ease infinite;
}

@keyframes rotateShape {
    from { transform: rotate(45deg); }
    to { transform: rotate(405deg); }
}

@keyframes pulseShape {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.6; }
}

.hero-content {
    z-index: 10;
    position: relative;
}

.hero-terminal {
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-size: clamp(0.65rem, 1.2vw, 0.85rem);
    margin-bottom: 2rem;
    opacity: 0;
    background: rgba(10, 10, 10, 0.9);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    /* Removed backdrop-filter for performance */
    position: relative;
    overflow: hidden;
    will-change: opacity, transform;
}

.hero-terminal::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.05), transparent);
    /* Removed infinite animation for performance */
}

.hero-terminal.visible {
    animation: slideInLeft 0.8s ease forwards;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-terminal .terminal-line {
    margin-bottom: 0.4rem;
    text-shadow: var(--glow-green);
    opacity: 0;
    transform: translateX(-20px);
}

.hero-terminal .terminal-line.typed {
    animation: typeIn 0.3s ease forwards;
}

@keyframes typeIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-roles {
    margin-bottom: 2rem;
    min-height: 120px;
    position: relative;
    z-index: 15;
}

.role-item {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 7vw, 6rem);
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 2px var(--text-light);
    position: absolute;
    opacity: 0;
    transform: translateY(50px) rotateX(-20deg);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1.1;
    letter-spacing: 0.05em;
    white-space: nowrap;
    will-change: transform, opacity;
}

.role-item.active {
    opacity: 1;
    transform: translateY(0) rotateX(0);
    color: #ffffff;
    -webkit-text-stroke: 0;
    text-shadow: 
        0 0 40px rgba(255, 255, 255, 0.5),
        0 0 80px rgba(0, 255, 65, 0.3);
}

.role-item.exit {
    opacity: 0;
    transform: translateY(-50px) rotateX(20deg);
}

/* Glitch effect for roles */
.role-item.active::before,
.role-item.active::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    opacity: 0.8;
    pointer-events: none;
}

.role-item.active::before {
    color: var(--secondary-color);
    animation: glitch1 0.3s infinite;
    clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
    transform: translateX(-2px);
    text-shadow: none;
}

.role-item.active::after {
    color: var(--accent-color);
    animation: glitch2 0.3s infinite;
    clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
    transform: translateX(2px);
    text-shadow: none;
}

@keyframes glitch1 {
    0%, 100% { transform: translateX(-2px); }
    25% { transform: translateX(2px); }
    50% { transform: translateX(-1px); }
    75% { transform: translateX(1px); }
}

@keyframes glitch2 {
    0%, 100% { transform: translateX(2px); }
    25% { transform: translateX(-2px); }
    50% { transform: translateX(1px); }
    75% { transform: translateX(-1px); }
}

/* Hero Social Links */
.hero-social {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 0.5rem;
    opacity: 0;
}

.hero-social.visible {
    animation: fadeInUp 0.5s ease forwards;
}

.hero-social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
    background: rgba(10, 10, 10, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    /* Optimize: specific transitions for better INP */
    transition: color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
    contain: layout style;
}

.hero-social-link:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    /* Removed box-shadow for better performance */
    transform: translateY(-3px);
}

.hero-social-link svg {
    transition: color 0.15s ease;
}

.hero-social-link:hover svg {
    color: var(--primary-color);
    filter: drop-shadow(0 0 5px var(--primary-color));
}

.social-prefix {
    color: var(--primary-color);
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-fast);
}

.hero-social-link:hover .social-prefix {
    opacity: 1;
    transform: translateX(0);
}

.social-label {
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.hero-marquee {
    position: absolute;
    bottom: 15%;
    left: 0;
    width: 200%;
    overflow: hidden;
    opacity: 0.08;
    pointer-events: none;
}

.marquee-content {
    display: flex;
    animation: marquee 25s linear infinite;
    white-space: nowrap;
}

.marquee-content span {
    font-family: var(--font-display);
    font-size: clamp(4rem, 12vw, 10rem);
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px var(--text-light);
    margin-right: 3rem;
    letter-spacing: 0.2em;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.hero-image {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 5;
    perspective: 1000px;
}

.image-placeholder {
    width: 320px;
    height: 420px;
    border: 2px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: var(--font-display);
    font-size: 5rem;
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 255, 65, 0.15) 0%, rgba(10, 255, 237, 0.05) 100%);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: rotateY(-10deg) rotateX(5deg);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s ease, opacity 0.6s ease;
    clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 30px 100%, 0 calc(100% - 30px));
    box-shadow: 0 0 40px rgba(0, 255, 65, 0.2);
    will-change: transform, opacity;
}

.image-placeholder.visible {
    opacity: 1;
    animation: imageReveal 1s ease forwards, cardFloat 6s ease-in-out 1s infinite;
}

@keyframes imageReveal {
    to {
        opacity: 1;
        transform: rotateY(0) rotateX(0);
    }
}

/* Floating Card Animation - Simplified */
@keyframes cardFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Hover is handled by JavaScript for dynamic tilt effect */
.image-placeholder.visible:hover {
    animation-play-state: paused;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 255, 65, 0.03) 2px,
        rgba(0, 255, 65, 0.03) 4px
    );
    animation: scanlineScroll 10s linear infinite;
    pointer-events: none;
}

@keyframes scanlineScroll {
    0% { transform: translateY(0); }
    100% { transform: translateY(100%); }
}

.image-placeholder::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        transparent 40%,
        rgba(0, 255, 65, 0.05) 50%,
        transparent 60%
    );
    /* Removed infinite animation - static shine looks fine */
}

.image-placeholder .corner {
    position: absolute;
    width: 30px;
    height: 30px;
    border-color: var(--secondary-color);
    border-style: solid;
    opacity: 0.7;
}

.image-placeholder .corner.top-left {
    top: 10px;
    left: 10px;
    border-width: 2px 0 0 2px;
}

.image-placeholder .corner.top-right {
    top: 10px;
    right: 10px;
    border-width: 2px 2px 0 0;
}

.image-placeholder .corner.bottom-left {
    bottom: 10px;
    left: 10px;
    border-width: 0 0 2px 2px;
}

.image-placeholder .corner.bottom-right {
    bottom: 10px;
    right: 10px;
    border-width: 0 2px 2px 0;
}

.image-placeholder.large {
    width: 100%;
    max-width: 400px;
    height: 500px;
}

.image-placeholder.project {
    width: 100%;
    height: 220px;
    font-size: 2.5rem;
}

/* ================================
   Profile Image - Cyberpunk Effect with Reveal
================================ */
.profile-image-container {
    background: transparent !important;
    cursor: pointer;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    position: absolute;
    inset: 0;
    z-index: 1;
}

/* Cyberpunk filtered version - visible by default */
.profile-cyber {
    filter: 
        grayscale(30%)
        contrast(1.1)
        brightness(0.9)
        saturate(0.8);
    transition: opacity 0.6s ease, filter 0.6s ease;
    z-index: 2;
}

/* Original reveal version - hidden by default */
.profile-reveal {
    filter: none;
    z-index: 1;
    transition: transform 0.6s ease;
}

/* Reveal scanline effect */
.reveal-scanline {
    position: absolute;
    inset: 0;
    z-index: 10;
    pointer-events: none;
    overflow: hidden;
}

.reveal-scanline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        transparent 0%,
        var(--primary-color) 20%,
        var(--secondary-color) 50%,
        var(--primary-color) 80%,
        transparent 100%
    );
    box-shadow: 
        0 0 20px var(--primary-color),
        0 0 40px var(--secondary-color),
        0 0 60px var(--primary-color);
    opacity: 0;
    transform: translateY(-100%);
    transition: opacity 0.3s ease;
}

/* Tap icon hint for mobile */
.tap-hint {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    z-index: 15;
    pointer-events: none;
    /* Hidden by default - shown via media query on touch devices */
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tap-icon {
    width: 100%;
    height: 100%;
    color: var(--secondary-color);
    filter: drop-shadow(0 0 6px var(--secondary-color));
}

@keyframes tapBounce {
    0%, 100% { 
        opacity: 0.6; 
        transform: translateY(0);
    }
    50% { 
        opacity: 1; 
        transform: translateY(-4px);
    }
}

/* Touch devices without hover - show tap icon */
@media (hover: none) {
    .tap-hint {
        display: block;
        opacity: 0.8;
        animation: tapBounce 1.5s ease-in-out infinite;
    }
    
    .profile-image-container.revealed .tap-hint {
        opacity: 0;
        animation: none;
    }
    
    /* Mobile tap reveal state */
    .profile-image-container.revealed .profile-cyber {
        opacity: 0;
    }
    
    .profile-image-container.revealed .image-scanlines {
        opacity: 0;
    }
    
    .profile-image-container.revealed .reveal-scanline::before {
        opacity: 1;
        animation: scanReveal 0.8s ease-out forwards;
    }
}

/* Desktop hover reveal */
@media (hover: hover) {
    .tap-hint {
        display: none !important;
    }
    
    .profile-image-container:hover .profile-cyber {
        opacity: 0;
    }
    
    .profile-image-container:hover .reveal-scanline::before {
        opacity: 1;
        animation: scanReveal 0.8s ease-out forwards;
    }
    
    .profile-image-container:hover .profile-reveal {
        transform: scale(1.02);
    }
    
    /* Hide scanlines and glitch on reveal */
    .profile-image-container:hover .image-scanlines {
        opacity: 0;
        transition: opacity 0.4s ease 0.3s;
    }
    
    .profile-image-container:hover .image-glitch {
        display: none;
    }
}

@keyframes scanReveal {
    0% {
        transform: translateY(-100%);
        opacity: 1;
    }
    100% {
        transform: translateY(calc(100vh));
        opacity: 0;
    }
}

/* Green/Cyan color overlay */
.profile-image-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 255, 65, 0.15) 0%,
        rgba(10, 255, 237, 0.1) 50%,
        rgba(0, 255, 65, 0.2) 100%
    );
    mix-blend-mode: overlay;
    z-index: 6;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.profile-image-container:hover::before,
.profile-image-container.revealed::before {
    opacity: 0;
}

/* Scanline overlay on image */
.image-scanlines {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.15) 2px,
        rgba(0, 0, 0, 0.15) 4px
    );
    z-index: 7;
    pointer-events: none;
    opacity: 0.6;
    transition: opacity 0.4s ease;
}

/* Glitch layer for hover effect */
.image-glitch {
    position: absolute;
    inset: 0;
    background: inherit;
    z-index: 8;
    opacity: 0;
    pointer-events: none;
}

/* Mobile tap reveal state */
.profile-image-container.revealed .profile-cyber {
    opacity: 0;
}

.profile-image-container.revealed .image-scanlines {
    opacity: 0;
}

.profile-image-container.revealed .reveal-scanline::before {
    animation: scanReveal 0.8s ease-out forwards;
}

/* Neon border glow - synced with float animation */
.profile-image-container {
    border-color: var(--primary-color);
    animation: borderPulse 8s ease-in-out infinite;
}

@keyframes borderPulse {
    0%, 100% {
        border-color: var(--primary-color);
        box-shadow: 0 0 25px rgba(0, 255, 65, 0.3);
    }
    50% {
        border-color: var(--secondary-color);
        box-shadow: 0 0 35px rgba(10, 255, 237, 0.4);
    }
}

/* Data visualization lines effect */
.profile-image-container::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(90deg, transparent 98%, rgba(0, 255, 65, 0.1) 98%),
        linear-gradient(0deg, transparent 98%, rgba(0, 255, 65, 0.1) 98%);
    background-size: 20px 20px;
    z-index: 5;
    pointer-events: none;
    opacity: 0.4;
    transition: opacity 0.4s ease;
}

/* Hide grid on reveal */
.profile-image-container:hover::after,
.profile-image-container.revealed::after {
    opacity: 0;
}

/* Corner brackets enhanced */
.profile-image-container .corner {
    z-index: 10;
    transition: all 0.3s ease;
}

.profile-image-container:hover .corner {
    width: 40px;
    height: 40px;
    border-color: var(--primary-color);
    box-shadow: var(--glow-green);
}

.profile-image-container:hover .corner.top-left {
    top: 5px;
    left: 5px;
}

.profile-image-container:hover .corner.top-right {
    top: 5px;
    right: 5px;
}

.profile-image-container:hover .corner.bottom-left {
    bottom: 5px;
    left: 5px;
}

.profile-image-container:hover .corner.bottom-right {
    bottom: 5px;
    right: 5px;
}

/* Corners turn cyan on reveal for warmer look */
.profile-image-container:hover .corner,
.profile-image-container.revealed .corner {
    border-color: var(--secondary-color);
    box-shadow: var(--glow-cyan);
}

/* ================================
   Hero Image Animations
================================ */
.hero-image {
    position: relative;
}

/* Orbit Rings - Static for performance */
.orbit-ring {
    position: absolute;
    border: 1px solid rgba(0, 255, 65, 0.15);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    /* Removed animation for performance */
}

.orbit-ring.orbit-1 {
    width: 400px;
    height: 400px;
    border-style: dashed;
}

.orbit-ring.orbit-2 {
    width: 480px;
    height: 480px;
    border-color: rgba(10, 255, 237, 0.1);
}

.orbit-ring.orbit-3 {
    width: 550px;
    height: 550px;
    border-style: dotted;
    border-color: rgba(255, 0, 255, 0.08);
}

/* Floating Data Points - Static for performance */
.data-point {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
    opacity: 0.7;
    /* Removed animation for performance */
}

.data-point.dp-1 {
    top: 10%;
    right: 20%;
}

.data-point.dp-2 {
    top: 30%;
    left: 5%;
    background: var(--secondary-color);
    box-shadow: 0 0 10px rgba(10, 255, 237, 0.5);
    width: 6px;
    height: 6px;
}

.data-point.dp-3 {
    bottom: 25%;
    right: 10%;
    width: 10px;
    height: 10px;
}

.data-point.dp-4 {
    bottom: 15%;
    left: 15%;
    background: var(--secondary-color);
    box-shadow: 0 0 10px rgba(10, 255, 237, 0.5);
}

/* Hexagon Frame - Static for performance */
.hex-frame {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(30deg);
    width: 380px;
    height: 380px;
    border: 1px solid rgba(0, 255, 65, 0.12);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    opacity: 0.4;
    /* Removed animation for performance */
}

/* Status Indicator */
.status-indicator {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--primary-color);
    text-shadow: var(--glow-green);
    background: rgba(10, 10, 10, 0.9);
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    /* Removed backdrop-filter */
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: statusBlink 2s ease-in-out infinite;
    box-shadow: var(--glow-green);
}

@keyframes statusBlink {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.status-text {
    letter-spacing: 2px;
}

/* ================================
   Skills Bar
================================ */
.skills-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 4rem;
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.skills-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.skills-terminal {
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-size: 0.8rem;
}

.skills-terminal .terminal-line {
    margin-bottom: 0.4rem;
    text-shadow: var(--glow-green);
    display: flex;
    align-items: center;
}

.skills-content {
    font-family: var(--font-mono);
    color: var(--text-light);
}

.skills-content p:first-child {
    color: var(--primary-color);
    text-shadow: var(--glow-green);
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}

.skills-list {
    color: var(--secondary-color);
    text-shadow: var(--glow-cyan);
    line-height: 2;
    font-size: 0.95rem;
}

.skill-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    margin: 0.25rem;
    background: rgba(10, 255, 237, 0.1);
    border: 1px solid rgba(10, 255, 237, 0.3);
    border-radius: 4px;
    font-size: 0.8rem;
    /* Optimize: only transition specific properties */
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
    /* Containment for layout isolation */
    contain: layout style;
}

.skill-tag:hover {
    background: rgba(10, 255, 237, 0.2);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    /* Removed box-shadow for better performance */
}

/* ================================
   Section Styles
================================ */
section {
    padding: 8rem 4rem;
    position: relative;
    overflow: hidden;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: #ffffff;
    margin-bottom: 4rem;
    letter-spacing: 0.1em;
    position: relative;
    display: inline-block;
    text-transform: uppercase;
}

.section-title::before {
    content: attr(data-number);
    position: absolute;
    top: -1rem;
    left: -2rem;
    font-size: 0.8rem;
    color: var(--primary-color);
    font-family: var(--font-mono);
    text-shadow: var(--glow-green);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), transparent);
    animation: lineGlow 2s ease infinite;
}

@keyframes lineGlow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ================================
   About Section
================================ */
.about {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text blockquote {
    font-size: clamp(1rem, 2vw, 1.3rem);
    line-height: 2;
    color: var(--text-light);
    border-left: 3px solid transparent;
    border-image: linear-gradient(180deg, var(--primary-color), var(--secondary-color)) 1;
    padding-left: 2rem;
    font-style: normal;
    position: relative;
}

.about-text blockquote::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 0;
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
    font-family: Georgia, serif;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-frame {
    position: relative;
    padding: 1.5rem;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
}

.image-frame::before,
.image-frame::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
}

.image-frame::before {
    top: -2px;
    left: -2px;
    border-top: 3px solid var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

.image-frame::after {
    bottom: -2px;
    right: -2px;
    border-bottom: 3px solid var(--secondary-color);
    border-right: 3px solid var(--secondary-color);
}

.about-terminal {
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-size: 0.85rem;
    text-align: left;
    background: var(--bg-glass);
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    backdrop-filter: blur(10px);
    position: relative;
}

.about-terminal::before {
    content: '// system.log';
    position: absolute;
    top: -12px;
    left: 1rem;
    background: var(--bg-dark);
    padding: 0.25rem 0.75rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.about-terminal .terminal-line {
    margin-bottom: 0.4rem;
    text-shadow: var(--glow-green);
}

/* ================================
   Terminal Line Styles
================================ */
.terminal-line {
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-size: 0.8rem;
    margin-bottom: 0.4rem;
    text-shadow: var(--glow-green);
    /* Containment for layout isolation - improves INP */
    contain: layout style;
}

/* ================================
   Experience Section
================================ */
.experience {
    background: var(--bg-dark);
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.experience .section-title {
    grid-column: 1 / -1;
}

.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: linear-gradient(180deg, 
        var(--primary-color) 0%, 
        var(--secondary-color) 50%, 
        var(--accent-color) 100%
    );
}

.timeline-item {
    position: relative;
    padding-bottom: 3rem;
    padding-left: 1rem;
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -3rem;
    top: 5px;
    width: 16px;
    height: 16px;
    background: var(--bg-dark);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    transform: translateX(-7px);
    box-shadow: var(--glow-green);
    transition: all var(--transition-fast);
}

.timeline-item:hover::before {
    background: var(--primary-color);
    transform: translateX(-7px) scale(1.2);
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 12px;
    width: 2rem;
    height: 2px;
    background: var(--primary-color);
    opacity: 0.5;
}

.timeline-title {
    font-family: var(--font-mono);
    font-size: clamp(0.85rem, 1.8vw, 1.1rem);
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-shadow: var(--glow-green);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline-desc {
    font-size: clamp(0.85rem, 1.5vw, 1rem);
    color: var(--text-light);
    line-height: 1.9;
    padding: 1rem 1.5rem;
    background: var(--bg-glass);
    border-left: 2px solid var(--border-color);
    backdrop-filter: blur(5px);
    transition: all var(--transition-fast);
}

.timeline-item:hover .timeline-desc {
    border-color: var(--primary-color);
    background: rgba(0, 255, 65, 0.05);
}

.experience-image {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 4rem;
    position: sticky;
    top: 2rem;
}

/* ================================
   Certifications Section
================================ */
.certifications {
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.cert-card {
    background: rgba(17, 17, 17, 0.9);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease, opacity 0.5s ease;
    opacity: 0;
    transform: translateY(30px);
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
    contain: layout style;
    text-decoration: none;
    cursor: pointer;
    overflow: hidden;
}

/* Hover overlay for VIEW CREDENTIAL */
.cert-card::before {
    content: 'VIEW CREDENTIAL →';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.6rem 1rem;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: #000;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-align: center;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cert-card:hover::before {
    transform: translateY(0);
}

.cert-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mac cursor pointer hand - mobile only */
.tap-indicator {
    display: none;
}

@media (hover: none) and (pointer: coarse) {
    .tap-indicator {
        display: block;
        position: absolute;
        top: 8px;
        right: 10px;
        width: 20px;
        height: 20px;
        animation: pointerClick 2s ease-in-out infinite;
        z-index: 5;
    }
    
    .tap-indicator svg {
        width: 100%;
        height: 100%;
        filter: drop-shadow(0 0 3px var(--secondary-color));
    }

    .pointer-body {
        fill: var(--secondary-color);
    }

    .pointer-details {
        fill: var(--primary-color);
    }
    
    @keyframes pointerClick {
        0%, 100% {
            transform: scale(1);
            opacity: 0.7;
        }
        50% {
            transform: scale(0.85);
            opacity: 1;
        }
    }
}

.cert-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 255, 65, 0.15);
    transform: translateY(-3px);
}

.cert-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.cert-content {
    flex: 1;
    min-width: 0;
}

.cert-title {
    font-family: var(--font-display);
    font-size: 1rem;
    color: #ffffff;
    margin-bottom: 0.25rem;
    letter-spacing: 0.03em;
    transition: color 0.3s ease;
}

.cert-card:hover .cert-title {
    color: var(--primary-color);
    text-shadow: var(--glow-green);
}

.cert-issuer {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.cert-status {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--primary-color);
    text-shadow: var(--glow-green);
    letter-spacing: 1px;
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--primary-color);
    background: rgba(0, 255, 65, 0.1);
    white-space: nowrap;
    animation: statusPulse 3s ease-in-out infinite;
    transition: all 0.3s ease;
}

.cert-card:hover .cert-status {
    background: rgba(0, 255, 65, 0.25);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
}

@keyframes statusPulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* ================================
   Projects Section (Legacy)
================================ */
.projects {
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.project-card {
    background: rgba(17, 17, 17, 0.9);
    border: 1px solid var(--border-color);
    overflow: hidden;
    /* Optimize: specific transitions for better INP */
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease, opacity 0.5s ease;
    opacity: 0;
    transform: translateY(40px);
    position: relative;
    clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
    /* Containment for layout isolation */
    contain: layout style;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 255, 65, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 255, 65, 0.2);
    transform: translateY(-5px);
}

.project-card:hover::before {
    opacity: 1;
}

.project-card::after {
    content: attr(data-number);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.1;
    font-weight: 800;
    transition: all var(--transition-normal);
}

.project-card:hover::after {
    opacity: 0.3;
    transform: scale(1.1);
}

.project-image {
    overflow: hidden;
    position: relative;
}

.project-image .image-placeholder {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-image .image-placeholder {
    transform: scale(1.1);
}

.project-content {
    padding: 2rem;
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: #ffffff;
    margin-bottom: 0.75rem;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
}

.project-card:hover .project-title {
    color: var(--primary-color);
    text-shadow: var(--glow-green);
}

.project-tags {
    margin-bottom: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tags span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--secondary-color);
    background: rgba(10, 255, 237, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 3px;
    border: 1px solid rgba(10, 255, 237, 0.2);
    text-shadow: var(--glow-cyan);
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ================================
   Contact Section
================================ */
.contact {
    background: var(--bg-dark);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-bottom: 5rem;
}

.contact-text blockquote {
    font-family: var(--font-mono);
    font-size: clamp(0.85rem, 1.5vw, 1rem);
    line-height: 2;
    color: var(--text-light);
    padding: 2rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    position: relative;
}

.contact-text blockquote::before {
    content: '// secure_channel';
    position: absolute;
    top: -12px;
    left: 1rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--bg-dark);
    padding: 0 0.5rem;
}

.contact-text blockquote a {
    color: var(--secondary-color);
    text-decoration: none;
    border-bottom: 1px dashed var(--secondary-color);
    transition: all var(--transition-fast);
    padding-bottom: 2px;
}

.contact-text blockquote a:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    text-shadow: var(--glow-green);
    border-style: solid;
}

.contact-terminal {
    text-align: right;
}

.contact-animation {
    max-width: 650px;
}

.terminal-block {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0;
    font-family: var(--font-mono);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.terminal-block-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.terminal-block-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-block-header .dot.red { background: #ff5f56; }
.terminal-block-header .dot.yellow { background: #ffbd2e; }
.terminal-block-header .dot.green { background: #27ca40; }

.terminal-block-header .title {
    margin-left: auto;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.terminal-block-body {
    padding: 1.5rem;
}

.terminal-block .terminal-line {
    margin-bottom: 0.6rem;
    opacity: 0;
    transform: translateX(-10px);
}

.terminal-block .terminal-line.typed {
    animation: lineType 0.3s ease forwards;
}

@keyframes lineType {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.terminal-line.blink::after {
    content: '█';
    display: inline-block;
    color: var(--primary-color);
    animation: cursorBlink 0.8s step-end infinite;
    margin-left: 4px;
}

@keyframes cursorBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ================================
   Footer
================================ */
.footer {
    background: var(--bg-darker);
    padding: 5rem 4rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.footer-name {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: #ffffff;
    margin-bottom: 2rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}

.footer-name::before,
.footer-name::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
    top: 50%;
}

.footer-name::before {
    left: -80px;
}

.footer-name::after {
    right: -80px;
    background: linear-gradient(-90deg, var(--primary-color), transparent);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.social-link {
    color: var(--text-muted);
    /* Optimize: specific transitions for better INP */
    transition: color 0.2s ease, transform 0.2s ease;
    padding: 1rem;
    border: 1px solid transparent;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    contain: layout style;
}

.social-link::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: -1;
}

.social-link:hover {
    color: var(--bg-dark);
    transform: translateY(-5px);
}

.social-link:hover::before {
    opacity: 1;
}

.footer-terminal {
    margin-bottom: 2rem;
    text-align: center;
}

.footer-terminal .terminal-line {
    display: inline-block;
    margin: 0 1.5rem;
    font-size: 0.75rem;
}

.footer-info {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 2rem;
}

.footer-info p {
    margin-bottom: 0.3rem;
}

.binary-code {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    color: var(--primary-color);
    letter-spacing: 0.4em;
    text-shadow: var(--glow-green);
    opacity: 0.4;
    animation: binaryPulse 3s ease infinite;
}

@keyframes binaryPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

/* ================================
   Floating Particles
================================ */
.particle {
    position: fixed;
    pointer-events: none;
    z-index: 1;
    border-radius: 50%;
    animation: floatParticle 25s linear infinite;
    will-change: transform, opacity;
}

@keyframes floatParticle {
    0% {
        transform: translateY(100vh);
        opacity: 0;
    }
    5% {
        opacity: 0.15;
    }
    95% {
        opacity: 0.15;
    }
    100% {
        transform: translateY(-100vh);
        opacity: 0;
    }
}

/* ================================
   Responsive Design
================================ */
@media (max-width: 1200px) {
    .hero {
        padding: 3rem;
    }
    
    section {
        padding: 5rem 3rem;
    }
    
    .projects-grid {
        gap: 2rem;
    }
    
    .certs-grid {
        gap: 1.25rem;
    }
}

@media (max-width: 992px) {
    .top-nav {
        padding: 0 1rem;
        height: 45px;
    }
    
    .nav-center {
        display: none;
    }
    
    .nav-status {
        display: none;
    }
    
    .nav-right {
        gap: 1rem;
    }
    
    .nav-link {
        font-size: 0.7rem;
    }
    
    .hero {
        display: flex;
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
        padding-top: 6rem;
        padding-bottom: 4rem;
        min-height: auto;
    }
    
    .hero-image {
        order: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: 0;
    }
    
    .hero-content {
        order: 2;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-terminal {
        order: 1;
        text-align: left;
        max-width: 90%;
        width: 90%;
        margin: 0 auto 1.5rem;
        padding: 1.2rem;
        font-size: 0.8rem;
    }
    
    .hero-roles {
        order: 2;
        position: relative;
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 60px;
        margin-bottom: 1rem;
        width: 100%;
        overflow: hidden;
    }
    
    .hero-social {
        order: 3;
        justify-content: center;
    }
    
    .social-prefix {
        display: none;
    }
    
    .hero-marquee {
        order: 4;
    }
    
    .role-item {
        position: absolute;
        font-size: clamp(1.4rem, 6vw, 2.5rem);
        white-space: nowrap;
        text-align: center;
        left: 50%;
        transform: translateX(-50%) translateY(50px) rotateX(-20deg);
    }
    
    .role-item.active {
        transform: translateX(-50%) translateY(0) rotateX(0);
    }
    
    .role-item.exit {
        transform: translateX(-50%) translateY(-50px) rotateX(20deg);
    }
    
    /* Disable glitch on mobile for cleaner look */
    .role-item.active::before,
    .role-item.active::after {
        display: none;
    }
    
    /* Simple color effect without pseudo-elements */
    /* Note: Using light cyan instead of white - Samsung browsers render #ffffff as black with background-clip */
    .role-item.active {
        background: linear-gradient(180deg, 
            #0affed 0%, 
            #0affed 30%,
            #c0ffff 30%,
            #c0ffff 70%,
            #ff00ff 70%,
            #ff00ff 100%
        );
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        color: transparent;
        -webkit-text-stroke: 0;
        text-shadow: none;
    }
    
    /* Scale down orbit rings on tablet */
    .orbit-ring.orbit-1 {
        width: 280px;
        height: 280px;
    }
    
    .orbit-ring.orbit-2 {
        width: 340px;
        height: 340px;
    }
    
    .orbit-ring.orbit-3 {
        width: 400px;
        height: 400px;
    }
    
    .hex-frame {
        width: 280px;
        height: 280px;
    }
    
    .image-placeholder {
        width: 220px;
        height: 300px;
        font-size: 3rem;
    }
    
    .status-indicator {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        margin-top: 1.5rem;
        font-size: 0.65rem;
        padding: 0.4rem 0.8rem;
    }
    
    .hero-marquee {
        display: none;
    }
    
    .hero-social {
        gap: 0.75rem;
    }
    
    .hero-social-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .social-prefix {
        display: none;
    }
    
    .social-label {
        display: none;
    }
    
    .skills-bar {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .about-text blockquote {
        border-left: none;
        border-top: 3px solid transparent;
        border-image: linear-gradient(90deg, var(--primary-color), var(--secondary-color)) 1;
        padding-left: 1rem;
        padding-right: 1rem;
        padding-top: 3rem;
    }
    
    .about-text blockquote::before {
        top: -10px;
        left: 50%;
        transform: translateX(-50%);
        font-size: 3rem;
    }
    
    .about-terminal {
        text-align: center;
        padding: 1.5rem;
    }
    
    .about-terminal::before {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .experience {
        grid-template-columns: 1fr;
    }
    
    .experience-image {
        display: none;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .certs-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-terminal {
        text-align: center;
    }
    
    .footer-name::before,
    .footer-name::after {
        display: none;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .top-nav {
        padding: 0 1rem;
        height: 40px;
    }
    
    .nav-right {
        display: none;
    }
    
    .nav-hamburger {
        display: flex;
    }
    
    .nav-mobile-menu {
        display: flex;
        top: 40px;
    }
    
    .nav-logo {
        font-size: 1rem;
    }
    
    .hero {
        padding: 1.5rem;
        min-height: auto;
        padding-top: 5rem;
        padding-bottom: 3rem;
        gap: 1rem;
    }
    
    .hero-terminal {
        max-width: 95%;
        width: 95%;
        padding: 1.2rem;
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }
    
    .hero-terminal .terminal-line {
        font-size: 0.75rem;
        margin-bottom: 0.4rem;
    }
    
    .hero-roles {
        min-height: 50px;
        margin-bottom: 0.8rem;
        width: 100%;
        overflow: hidden;
    }
    
    .role-item {
        font-size: clamp(1.2rem, 5.5vw, 2rem);
    }
    
    /* Hide orbit rings on mobile for cleaner look */
    .orbit-ring {
        display: none;
    }
    
    .hex-frame {
        width: 240px;
        height: 240px;
    }
    
    .data-point {
        display: none;
    }
    
    .image-placeholder {
        width: 200px;
        height: 280px;
        animation: cardFloat 6s ease-in-out infinite;
    }
    
    .status-indicator {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        margin-top: 1rem;
    }
    
    section {
        padding: 4rem 1.5rem;
    }
    
    .terminal-window {
        padding: 1.5rem;
        width: 95%;
    }
    
    .boot-sequence {
        font-size: 0.7rem;
    }
    
    .boot-line {
        margin-bottom: 0.4rem;
    }
    
    .launch-btn {
        padding: 0.8rem 2rem;
        font-size: 0.85rem;
        letter-spacing: 2px;
    }
    
    .skills-bar {
        padding: 2rem 1.5rem;
    }
    
    .skills-list {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }
    
    .skill-tag {
        font-size: 0.7rem;
        padding: 0.2rem 0.5rem;
    }
    
    .timeline {
        padding-left: 2rem;
    }
    
    .timeline-item::before {
        left: -2rem;
        width: 12px;
        height: 12px;
    }
    
    .timeline-item::after {
        left: -1.5rem;
        width: 1.5rem;
    }
    
    .footer {
        padding: 3rem 1.5rem;
    }
    
    .footer-terminal .terminal-line {
        display: block;
        margin: 0.3rem 0;
    }
    
    .social-links {
        gap: 0.75rem;
    }
    
    .social-link {
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    .top-nav {
        padding: 0 0.75rem;
        height: 38px;
    }
    
    .nav-mobile-menu {
        top: 38px;
        width: 180px;
    }
    
    .nav-mobile-link {
        font-size: 0.8rem;
        padding: 0.6rem 0.8rem;
    }
    
    .nav-logo {
        font-size: 0.9rem;
    }
    
    .hero {
        padding: 1rem;
        padding-top: 4rem;
        padding-bottom: 2rem;
        gap: 0.8rem;
    }
    
    .hero-terminal {
        padding: 1rem;
        font-size: 0.75rem;
        width: 95%;
    }
    
    .hero-terminal .terminal-line {
        font-size: 0.65rem;
        margin-bottom: 0.3rem;
    }
    
    .hero-roles {
        min-height: 40px;
        width: 100%;
        overflow: hidden;
    }
    
    .role-item {
        font-size: clamp(1rem, 5vw, 1.4rem);
    }
    
    .hero-image {
        margin: 0.5rem 0;
    }
    
    .hex-frame {
        width: 200px;
        height: 200px;
    }
    
    .image-placeholder {
        width: 170px;
        height: 240px;
        font-size: 2rem;
    }
    
    .image-placeholder.large {
        height: 220px;
    }
    
    .status-indicator {
        font-size: 0.55rem;
        padding: 0.3rem 0.6rem;
    }
    
    .marquee-content span {
        font-size: 2.5rem;
    }
    
    .launch-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.75rem;
        letter-spacing: 1px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-title::before {
        display: none;
    }
    
    .binary-code {
        font-size: 1.2rem;
        letter-spacing: 0.2em;
    }
    
    .project-content {
        padding: 1.5rem;
    }
    
    .project-title {
        font-size: 1.2rem;
    }
    
    .terminal-window {
        padding: 1rem;
        width: 98%;
    }
    
    .boot-sequence {
        font-size: 0.6rem;
    }
}

@media (max-height: 500px) and (orientation: landscape) {
    .preloader {
        padding: 1rem;
    }
    
    .terminal-window {
        padding: 1rem;
        max-width: 500px;
    }
    
    .boot-sequence {
        margin-bottom: 1rem;
    }
    
    .boot-line {
        margin-bottom: 0.3rem;
        font-size: 0.7rem;
    }
    
    .launch-btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.85rem;
    }
    
    .scroll-hint {
        margin-top: 1rem;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem;
    }
}

/* Pause heavy animations when tab not visible */
.animations-paused .orbit-ring,
.animations-paused .data-point,
.animations-paused .hex-frame,
.animations-paused .image-placeholder,
.animations-paused [class*="animation"] {
    animation-play-state: paused !important;
}

/* ================================
   Animation Utilities
================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(60px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ================================
   Text Scramble Effect
================================ */
.text-scramble {
    display: inline-block;
}

.text-scramble .char {
    display: inline-block;
    transition: all 0.1s ease;
}

.text-scramble .char.scrambling {
    color: var(--secondary-color);
}

/* ================================
   Hover Highlight Effect
================================ */
.hover-highlight {
    position: relative;
    display: inline-block;
}

.hover-highlight::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-highlight:hover::before {
    width: 100%;
}

/* ================================
   Accessibility
================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scanlines,
    .noise-overlay {
        display: none;
    }
}

:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 4px;
}

button:focus-visible,
a:focus-visible {
    box-shadow: var(--glow-green);
}